Card Manufacturer: MSA/Holsum
Card Set: Holsum Superstars Discs
Card Number: 7
Keeping with the round theme...
Holsum issued a series of baseball discs for three years, 1989, 1990, and 1991. But Holsum's relationship with baseball goes back to the 1920's and the D327 set and Holsum also has issued a couple Football sets.
Robin only appears in the 1990 disc set of Superstars.